Finding the Fourth Proportional to 346,238.42, 519,387.36 and 121,579.54
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Solution
The fourth proportional to 346,238.42, 519,387.36 and 121,579.54 is: 182,379.75
Step by Step Solution
- Step 1: Write the proportion equation
346,238.42 : 519,387.36 = 121,579.54 : x - Step 2: Convert to fraction form
346,238.42/519,387.36 = 121,579.54/x - Step 3: Cross multiply
346,238.42x = 519,387.36 × 121,579.54 - Step 4: Simplify right side
346,238.42x = 63,146,876,310.61 - Step 5: Solve for x
x = 63,146,876,310.61/346,238.42 - Step 6: Final answer
x = 182,379.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.